11917997

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 15832320

約数和(自身を除く): 3914323

約数列:

[1, 7, 13, 19, 61, 91, 113, 133, 247, 427, 791, 793, 1159, 1469, 1729, 2147, 5551, 6893, 8113, 10283, 15029, 15067, 27911, 48251, 89609, 105469, 130967, 195377, 627263, 916769, 1702571, 11917997]

約数ペア:

[(1, 11917997), (7, 1702571), (13, 916769), (19, 627263), (61, 195377), (91, 130967), (113, 105469), (133, 89609), (247, 48251), (427, 27911), (791, 15067), (793, 15029), (1159, 10283), (1469, 8113), (1729, 6893), (2147, 5551)]